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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 399 · 40 questions
TalentJR

How to solve it (Jump to the hour): Minutes after: jump to the next full hour, then add the minutes that are left. Minutes before: jump back to the full hour, then go back the rest. How long: change both times to minutes, take away, then change back to hours and minutes (60 minutes = 1 hour).

NameDateTime takenScore ___ / 40
  1. 1.What time will it be 15 minutes after 9:20? (a) 9:25 (b) 10:35 (c) 9:35 (d) 8:35
  2. 2.What time will it be 55 minutes after 6:10? (a) 7:05 (b) 6:05 (c) 8:05 (d) 6:55
  3. 3.A film starts at 4:00 and ends at 4:40. How long is the film? (a) 1 h 40 min (b) 30 min (c) 50 min (d) 40 min
  4. 4.A film starts at 3:50 and ends at 5:20. How long is the film? (a) 1 h 40 min (b) 2 h 30 min (c) 30 min (d) 1 h 30 min
  5. 5.A film starts at 3:35 and ends at 5:05. How long is the film? (a) 30 min (b) 2 h 30 min (c) 1 h 30 min (d) 1 h 40 min
  6. 6.What time will it be 25 minutes after 10:05? (a) 10:20 (b) 11:30 (c) 10:30 (d) 9:30
  7. 7.What time will it be 45 minutes after 6:50? (a) 8:35 (b) 7:25 (c) 6:35 (d) 7:35
  8. 8.A film starts at 6:10 and ends at 9:00. How long is the film? (a) 1 h 50 min (b) 3 h (c) 3 h 50 min (d) 2 h 50 min
  9. 9.What time will it be 35 minutes after 1:55? (a) 2:30 (b) 1:30 (c) 2:20 (d) 3:30
  10. 10.What time was it 25 minutes before 3:35? (a) 2:10 (b) 4:10 (c) 3:20 (d) 3:10
  11. 11.What time will it be 35 minutes after 5:45? (a) 6:20 (b) 5:20 (c) 7:20 (d) 6:10
  12. 12.A film starts at 7:20 and ends at 7:45. How long is the film? (a) 25 min (b) 35 min (c) 15 min (d) 1 h 25 min
  13. 13.What time was it 55 minutes before 11:35? (a) 10:40 (b) 10:50 (c) 9:40 (d) 11:40
  14. 14.A film starts at 8:50 and ends at 11:05. How long is the film? (a) 2 h 25 min (b) 2 h 15 min (c) 3 h 15 min (d) 1 h 15 min
  15. 15.A film starts at 7:05 and ends at 8:05. How long is the film? (a) 1 h (b) 50 min (c) 1 h 10 min (d) 2 h
  16. 16.What time will it be 20 minutes after 5:20? (a) 5:30 (b) 4:40 (c) 6:40 (d) 5:40
  17. 17.What time was it 45 minutes before 7:00? (a) 7:15 (b) 6:15 (c) 5:15 (d) 6:25
  18. 18.What time will it be 55 minutes after 3:00? (a) 3:55 (b) 4:55 (c) 2:55 (d) 3:45
  19. 19.What time will it be 25 minutes after 10:15? (a) 9:40 (b) 10:40 (c) 10:30 (d) 11:40
  20. 20.What time will it be 45 minutes after 10:55? (a) 11:30 (b) 10:40 (c) 12:40 (d) 11:40
  21. 21.A film starts at 7:35 and ends at 9:15. How long is the film? (a) 1 h 50 min (b) 1 h 40 min (c) 2 h 40 min (d) 40 min
  22. 22.A film starts at 2:20 and ends at 2:50. How long is the film? (a) 20 min (b) 30 min (c) 1 h 30 min (d) 40 min
  23. 23.What time was it 35 minutes before 10:10? (a) 10:35 (b) 9:35 (c) 8:35 (d) 9:45
  24. 24.A film starts at 7:40 and ends at 10:15. How long is the film? (a) 2 h 45 min (b) 1 h 35 min (c) 2 h 35 min (d) 3 h 35 min
  25. 25.What time was it 20 minutes before 10:45? (a) 9:25 (b) 10:35 (c) 10:25 (d) 11:25
  26. 26.What time was it 15 minutes before 9:35? (a) 10:20 (b) 9:20 (c) 9:30 (d) 8:20
  27. 27.A film starts at 2:10 and ends at 4:00. How long is the film? (a) 1 h 50 min (b) 50 min (c) 2 h (d) 2 h 50 min
  28. 28.What time was it 50 minutes before 11:35? (a) 11:45 (b) 10:55 (c) 9:45 (d) 10:45
  29. 29.What time was it 30 minutes before 11:15? (a) 10:55 (b) 11:45 (c) 9:45 (d) 10:45
  30. 30.What time will it be 15 minutes after 4:15? (a) 3:30 (b) 4:30 (c) 5:30 (d) 4:20
  31. 31.A film starts at 6:55 and ends at 8:30. How long is the film? (a) 2 h 35 min (b) 1 h 35 min (c) 1 h 45 min (d) 35 min
  32. 32.What time will it be 20 minutes after 3:40? (a) 3:50 (b) 4:00 (c) 5:00 (d) 3:00
  33. 33.What time was it 40 minutes before 8:55? (a) 7:15 (b) 8:25 (c) 8:15 (d) 9:15
  34. 34.What time will it be 35 minutes after 9:00? (a) 8:35 (b) 10:35 (c) 9:35 (d) 9:25
  35. 35.What time was it 40 minutes before 5:25? (a) 4:55 (b) 3:45 (c) 4:45 (d) 5:45
  36. 36.What time will it be 15 minutes after 3:50? (a) 3:55 (b) 4:05 (c) 3:05 (d) 5:05
  37. 37.What time will it be 55 minutes after 6:25? (a) 6:20 (b) 7:20 (c) 8:20 (d) 7:10
  38. 38.What time will it be 25 minutes after 7:45? (a) 8:10 (b) 8:00 (c) 7:10 (d) 9:10
  39. 39.What time will it be 30 minutes after 2:20? (a) 1:50 (b) 3:50 (c) 2:50 (d) 2:40
  40. 40.What time was it 40 minutes before 10:15? (a) 8:35 (b) 9:35 (c) 9:45 (d) 10:35

Answer key

  1. 9:35
  2. 7:05
  3. 40 min
  4. 1 h 30 min
  5. 1 h 30 min
  6. 10:30
  7. 7:35
  8. 2 h 50 min
  9. 2:30
  10. 3:10
  11. 6:20
  12. 25 min
  13. 10:40
  14. 2 h 15 min
  15. 1 h
  16. 5:40
  17. 6:15
  18. 3:55
  19. 10:40
  20. 11:40
  21. 1 h 40 min
  22. 30 min
  23. 9:35
  24. 2 h 35 min
  25. 10:25
  26. 9:20
  27. 1 h 50 min
  28. 10:45
  29. 10:45
  30. 4:30
  31. 1 h 35 min
  32. 4:00
  33. 8:15
  34. 9:35
  35. 4:45
  36. 4:05
  37. 7:20
  38. 8:10
  39. 2:50
  40. 9:35

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